Method sign_order

python/ccxt/async_support/derive.py:1128–1130

(self, order, privateKey)

        return self.hash(self.binary_concat(prefix, binaryDomainSeparator, accountHash), 'keccak', 'hex')

    def sign_order(self, order, privateKey):
        hashOrder = self.hash_order_message(order)
        return self.sign_hash(hashOrder[-64:], privateKey[-64:])

    def hash_message(self, message):
        binaryMessage = self.encode(message)